Home / 90,882.92-125,405.22-53,149.88

Finding the Fourth Proportional to 90,882.92, 125,405.22 and 53,149.88

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Solution

The fourth proportional to 90,882.92, 125,405.22 and 53,149.88 is: 73,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,882.92 : 125,405.22 = 53,149.88 : x
  2. Step 2: Convert to fraction form
    90,882.92/125,405.22 = 53,149.88/x
  3. Step 3: Cross multiply
    90,882.92x = 125,405.22 × 53,149.88
  4. Step 4: Simplify right side
    90,882.92x = 6,665,272,394.37
  5. Step 5: Solve for x
    x = 6,665,272,394.37/90,882.92
  6. Step 6: Final answer
    x = 73,339.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.